Intro+Science Basics
What is the Nebular Hypothesis
The bodies from our solar system evolved from an enormous rotating cloud
What is luster?
What was Galileo's biggest scientific contribution?
described the behavior of moving objects
What is original horizontality
sediment is generally deposited into flat horizontal layers
What are the different types of alternate energy?
Solar, nuclear, wind, hydroelectric, geothermal, tidal
What is the difference between an open and closed system?
Closed: energy moves out of the system and no matter leaves
Open: both matter and energy flow out of the system
Igneous- formed from cooled magma
Sedimentary- formed from layers of sediment
Metamorphic- altered by conditions
What causes lunar phases?
changes in how much the sunlit side of the moon faces the earth.
What are the different types of fossils
petrified, molds, compressions, impressions, unaltered remains, trace.
What are the negative impacts of landfills?
Leak harmful wastes
What are examples of non-renewable resources
What is the difference between intrusive and extrusive igneous rocks?
Rocks that form when magma hardens beneath earth's surface - intrusive
Rocks that form when lava hardens-extrusive
What are the main differences between terrestrial and jovian planets
size, density, atmosphere, interior
What is radioactivity?
The process by which unstable nuclei spontaneously decay
What are the two water environmental laws?
Clean water act, Safe drinking water act.
What is a hypothesis
A scientific explanation for a set of observations
What is the difference between clastic and chemical sedimentary rocks
Clastic- made from sediments that are made from preexisting rocks
Chemical- made from dissolved sediments
What are craters?
Round depressions produced by the impact of debris or meteoroids
After one half life, what amount of the parent element has decayed into the daughter element?
1/2
Rank the ocean sizes from smallest to largest
Arctic, Indian, Atlantic, Pacific
What is an element?
A substance that cannot be broken down into simpler substances by chemical or physical means
Heat- energy for reactions
Pressure- making rocks more compact and dense
Reactions in solution- dissolving and depositing new material
What is the difference between a meteor and a meteorite?
meteor- small particle that enters earth's atmosphere and burns up
meteorite - small solid particle that reaches earth's surface
What eras is the Phanerozoic era divided into?
Paleozoic, Mesozoic, and Cenozoic
What is one environmental concern about offshore petroleum?
The possibilities of oil spills caused by drilling accidents